package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {
    /**
     *  根据openId查询用户
     */
    @Select("select * from user where openid = #{openId}")
    User getUserByOpenId(String openId);

    /**
     *  新增用户
     */
    void insert(User user);

    /**
     *  根据条件获取用户数量
     */
    Integer countByMap(Map params);
}
